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1. π + π/2 = 3π/2
2. π/3 - π/6 = π/6
3. 3π/4 + π/4 = π
4. 2π/3 - π/3 = π/3
5. tg(π/6) =
6. sin(π/4) =
7. cos(2π/3 - 3π/2 - 2π/3) = cos(- 3π/2) =cos(3π/2)= 0
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Answers & Comments
Ответ:
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Ответ:
1. π + π/2 = 3π/2
2. π/3 - π/6 = π/6
3. 3π/4 + π/4 = π
4. 2π/3 - π/3 = π/3
5. tg(π/6) =
6. sin(π/4) =
7. cos(2π/3 - 3π/2 - 2π/3) = cos(- 3π/2) =cos(3π/2)= 0